The following code produces different results on
SunPro CC 4.2, egcs 1.1b and SunPro CC 5.0:

Program output on SunPro CC 4.2 and egcs 1.1b
_____________________________________________
start
Out of mem
catched
_____________________________________________



Program output on SunPro CC 5.0
_____________________________________________
start
_____________________________________________
and the program is hanged up

So, what behaviour is ANSI standard? Or where is the bug?

CODE:
_____________________________________________
#include <new.h>
#include <iostream.h>



class OutofMemory {
public:
      OutofMemory(){cout<<"Out of mem\n";};
};

class M
{
   public:
             M (char *name, const short rows, const short cols);
             const short Rows (void) {return rows;}
             const short Cols (void) {return cols;}
             char        *name;

private:
  const short rows;
  const short cols;
  double  *elems;
};


M::M (char *name_, const short r, const short c) : name(name_),
rows(r), cols(c)
{
    try                 { elems = new double[rows * cols];    }
    catch (...)         { throw  OutofMemory(); }
}


main ()
{
cout<<"start"<<endl;

 try {
        M m("m",20000L,30000L);
     }
 catch (OutofMemory) {
        cout<<"catched"<<endl;
     }

}
_____________________________________________________________________
                                           Andrew Kolessa


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The following code produces different results on
SunPro CC 4.2, egcs 1.1b and SunPro CC 5.0:

Program output on SunPro CC 4.2 and egcs 1.1b
_____________________________________________
start
Out of mem
catched
_____________________________________________



Program output on SunPro CC 5.0
_____________________________________________
start
_____________________________________________
and the program is hanged up

So, what behaviour is ANSI standard? Or where is the bug?

CODE:
_____________________________________________
#include <new.h>
#include <iostream.h>



class OutofMemory {
public:
      OutofMemory(){cout<<"Out of mem\n";};
};

class M
{
   public:
             M (char *name, const short rows, const short cols);
             const short Rows (void) {return rows;}
             const short Cols (void) {return cols;}
             char        *name;

private:
  const short rows;
  const short cols;
  double  *elems;
};


M::M (char *name_, const short r, const short c) : name(name_),
rows(r), cols(c)
{
    try                 { elems = new double[rows * cols];    }
    catch (...)         { throw  OutofMemory(); }
}


main ()
{
cout<<"start"<<endl;

 try {
        M m("m",20000L,30000L);
     }
 catch (OutofMemory) {
        cout<<"catched"<<endl;
     }

}
_____________________________________________________________________
                                           Andrew Kolessa



[ comp.std.c++ is moderated.  To submit articles, try just posting with ]
[ your news-reader.  If that fails, use mailto:std-c++@ncar.ucar.edu    ]
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[ FAQ: http://reality.sgi.com/austern_mti/std-c++/faq.html              ]

"Andrew A. Kolessa" <andyk@victory.rosnet.ru> writes:

>The following code produces different results on
>SunPro CC 4.2, egcs 1.1b and SunPro CC 5.0:

>Program output on SunPro CC 4.2 and egcs 1.1b
>_____________________________________________
>start
>Out of mem
>catched
>_____________________________________________

>Program output on SunPro CC 5.0
>_____________________________________________
>start
>_____________________________________________
>and the program is hanged up


The 5.0 compiler in question is a pre-release snapshot.

A later shapshot reports out of memory and does not hang.

--
Steve Clamage, stephen.clamage@sun.com


[ comp.std.c++ is moderated.  To submit articles, try just posting with ]
[ your news-reader.  If that fails, use mailto:std-c++@ncar.ucar.edu    ]
[              --- Please see the FAQ before posting. ---               ]
[ FAQ: http://reality.sgi.com/austern_mti/std-c++/faq.html              ]